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| Sniffing the Rigol's internal I2C bus |
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| smgvbest:
it is in spec for a 300Mhz scope though.. The 3db point is at 400Mhz just putting it out there that the behavior is not unexpected for this or any scope. --- Quote from: Mosaic on April 09, 2016, 08:52:43 am ---Just an FYI of the bandwidth of the 'unlocked DS2072a - DS2302A' . With well calibrated leveled sine wave gens, SG503 and SG504 (TEK) using my custom made remote head for flatness <0.1dB I re-evaluated the Rigol bandwidth. Figures of merit: 150Mhz - Rigol is still accurate matching the Vpp of the signal. 300Mhz - Rigol is down 2dB in amplitude. 400 Mhz - Rigol is down 3dB in amplitude. I'd go with using it to 175Mhz max as reasonably accurate. Start factoring in losses past that. This cross refernce check matches quite well with my VNA test results on the scope. --- End quote --- |
| CustomEngineerer:
--- Quote from: zibadun on April 10, 2016, 03:50:33 pm ---This guy does not appear to be a "hacker" in a malicious context.. He is a physician from Ukraine who moved to Germany after "the revolution". He was employed in Crimea at the time of the putsch, when the newly formed Ukrainian government banned him from continuing work in the occupied territory. From what I understand he is now a licensed MD in Germany. I don't think his profile matches a 'script kiddie' who wants to crack your PC. Just saying... --- End quote --- Thats exactly what I'd expect a Ukrainian hacker's German accomplice to say. Sorry, couldn't resist. |
| zibadun:
--- Quote from: CustomEngineerer on April 12, 2016, 12:45:01 am ---Thats exactly what I'd expect a Ukrainian hacker's German accomplice to say. Sorry, couldn't resist. --- End quote --- Bad joke pal. I spent some time on Neuro's web site, looked at the content, watched some of his youtube videos, translated his story for you so that *you* can sleep well and not be afraid. and you thanked by calling me a hacker's accomplice? GFY |
| Neuro:
--- Quote from: Macbeth on March 26, 2016, 11:55:52 pm --- --- Quote from: Neuro on March 26, 2016, 10:47:02 pm ---For those, who are afraid of russian hackers, I've updated a zip-archive. :-DD Now it consist of exe-file and sources. You are free to use or compile it. ;) The link is: http://i-hobby.org/file/go/60/ --- End quote --- Yeah. But No.. ??????: 404 --- End quote --- I've fixed that problem. Now the sources are available. |
| timofonic:
--- Quote from: zibadun on April 12, 2016, 12:53:41 am --- --- Quote from: CustomEngineerer on April 12, 2016, 12:45:01 am ---Thats exactly what I'd expect a Ukrainian hacker's German accomplice to say. Sorry, couldn't resist. --- End quote --- Bad joke pal. I spent some time on Neuro's web site, looked at the content, watched some of his youtube videos, translated his story for you so that *you* can sleep well and not be afraid. and you thanked by calling me a hacker's accomplice? GFY --- End quote --- Hey, please check your notes about acid humor! There's a risk of Asperger issues here, I think. I just see it as joking about stereotypes. It's true some homebrew attitudes make is suspicious too, but sometimes people lived to joke about it. What can be more funnier than being someone like... Linus Torovoldos: A technology genius since very early age (he learnt C++ and assembly at 5yo) and physician from ex-USSR that lived in Crimea (even the name is cool, it sounds s crime in English). - He got involved in a very highly experimental cyberpunk project, it seems he applied it to his own brain in order to augment his cognitive skills (he's fluent in six human languages at least). - He escaped to Germany and is hidden as a MD. This could be the next James Bond movie! Please make it happen! :D |
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